Riello Appliance Repair in Duryard and St James

What does error E133 mean on a Riello ALU PRO boiler?

Error E133 on a Riello ALU PRO boiler means no flame was detected during the ignition sequence. Do not attempt to repair gas appliances yourself. If you smell gas, do not operate any switches, ventilate the area if safe, leave the property, and call the Gas Emergency Service from outside. Check externally that the gas supply valve is open and other gas appliances work. Contact a Gas Safe registered engineer for diagnosis.

What does 7 flashes mean on a Riello 40 G oil burner?

Seven flashes on a Riello 40 G oil burner indicate loss of flame during operation, which could be caused by fuel supply issues or internal component faults. Do not attempt internal repairs yourself. Switch off the burner and check externally that the oil tank has adequate fuel and the supply valve is open. Contact an OFTEC registered heating technician to diagnose and adjust the burner.

What does error E78 mean on a Riello ALU PRO boiler?

Error E78 on a Riello ALU PRO boiler indicates a water pressure switch fault - the pressure switch is open or faulty. Do not attempt to repair gas appliances yourself. Switch off the boiler first, then check the pressure gauge. If pressure appears normal, the switch may be faulty. Contact a Gas Safe registered engineer to diagnose and repair the pressure monitoring system.

What does error AL34 mean on a Riello Residence Condens boiler?

Error AL34 on a Riello Residence Condens boiler indicates a fan fault (tacho fan alarm) causing a lockout. The combustion fan is not operating correctly. Do not attempt to repair gas appliances yourself. If you smell gas, do not operate any switches, ventilate the area if safe, leave the property, and call the Gas Emergency Service from outside. Contact a Gas Safe registered engineer to inspect and repair the fan assembly.

What does error A11 mean on a Riello Start Condens boiler?

Error A11 on a Riello Start Condens boiler indicates parasite flame detection - the boiler has detected a flame signal when there should be no flame. This is a safety lockout. Do not attempt to repair gas appliances yourself. If you smell gas, do not operate any switches, ventilate the area if safe, leave the property, and call the Gas Emergency Service from outside. Contact a Gas Safe registered engineer immediately to inspect the flame sensing system.

Why does my Riello burner take approximately 70 seconds to establish a flame?

This is normal operation. The integrated control system is self-checking, and the cycle from start-up to flame establishment takes approximately 70 seconds. During this time, the control box performs safety checks before allowing ignition. If the burner fails to establish a flame within the safety time, it will lock out.

What causes a Riello oil burner to fail to ignite?

Common causes include air in the fuel line after running out of oil, a clogged nozzle, dirty or misaligned electrodes, a weak ignition transformer, or clogged fuel filters. Nozzles should never be cleaned - they must be replaced annually. Contact an OFTEC registered heating technician if the burner fails to ignite after two or three reset attempts.

How do I know if my Riello burner's photocell needs attention?

The photocell detects the presence of flame. Signs of photocell problems include random lockouts, lockouts shortly after ignition, or the burner failing to detect a visible flame. The photocell should be cleaned during annual servicing by an OFTEC registered heating technician. Do not attempt to access internal components yourself.

Why is regular Riello burner maintenance important for efficiency?

Periodic maintenance is essential for burner reliability and avoiding excessive fuel consumption. A poorly maintained burner can waste significant amounts of fuel through incomplete combustion.

What oil pump pressure should a Riello burner be set to?

Riello light oil burners are typically set to 12 bar (approximately 174 PSI). The standard setting can be varied by +2 bar depending on specific requirements.